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Finding the Fourth Proportional to 203,030.40, 304,286.40 and 156,050.40

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Solution

The fourth proportional to 203,030.40, 304,286.40 and 156,050.40 is: 233,876.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,030.40 : 304,286.40 = 156,050.40 : x
  2. Step 2: Convert to fraction form
    203,030.40/304,286.40 = 156,050.40/x
  3. Step 3: Cross multiply
    203,030.40x = 304,286.40 × 156,050.40
  4. Step 4: Simplify right side
    203,030.40x = 47,484,014,434.56
  5. Step 5: Solve for x
    x = 47,484,014,434.56/203,030.40
  6. Step 6: Final answer
    x = 233,876.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.